Porterfield John D Ed. <br/><br/>
Community health in the United States 
Porterfield John D Ed. 
 -  1968 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>55617 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Public health<br/>Medicine
<br/><br/><label>Dewey Class. No.: </label>L:5.73, K8